Update Readme

[iesahin]

• Fix some links
• Updated mentioned crates and license section
• add gix to the list

✨

Description by Callstackai

This PR updates the README file to fix links, update mentioned crates, and add 'gix' to the list.

Diagrams of code changes

sequenceDiagram
    actor User
    participant Xvc
    participant Git
    participant Storage
    participant Pipeline

    User->>Xvc: xvc init
    Note over Xvc: Creates .xvc/ directory and .xvcignore

    User->>Xvc: xvc file track my-data/
    Xvc->>Xvc: Calculate BLAKE-3 hashes
    Xvc->>Git: Hide binary files from Git

    User->>Xvc: xvc file copy/recheck
    Note over Xvc: Creates different views of data<br/>using symlinks/hardlinks

    User->>Xvc: xvc storage new
    Xvc->>Storage: Configure cloud storage<br/>(S3/GCS/R2/etc)

    User->>Xvc: xvc file send
    Xvc->>Storage: Upload files to configured storage

    User->>Xvc: xvc pipeline new
    Xvc->>Pipeline: Define pipeline steps and dependencies
    Note over Pipeline: Supports file/glob/line/URL/SQLite<br/>and custom dependencies

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Files Changed

File	Summary
README.md	Updated links, mentioned crates, and added 'gix' to the list.

This PR includes files in programming languages that we currently do not support. We have not reviewed files with the extensions .md. See list of supported languages.

[netlify]

✅ Deploy Preview for xvc canceled.

Name	Link
🔨 Latest commit	92e1fc5
🔍 Latest deploy log	https://app.netlify.com/sites/xvc/deploys/67b5a8eecedc8b0008987e3a

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 71.28%. Comparing base (befbaa0) to head (92e1fc5).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #268      +/-   ##
==========================================
+ Coverage   71.24%   71.28%   +0.04%     
==========================================
  Files         126      126              
  Lines       14326    14326              
==========================================
+ Hits        10207    10213       +6     
+ Misses       4119     4113       -6     

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